package com.sky.controller.admin;

import com.sky.constant.MessageConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@Slf4j
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result addDish(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品{}", dishDTO);
        dishService.addDish(dishDTO);
        //清除缓存数据
         String keys = "dish_" + dishDTO.getCategoryId();
        clearCache(keys);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result getDishPage(DishPageQueryDTO queryDTO) {
        log.info("菜品分页查询");
        PageResult pageResult = dishService.getDishPage(queryDTO);
        return Result.success(pageResult);
    }


    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result deleteDish(@RequestParam List<Long> ids) {
        log.info("批量删除菜品{}", ids);
        dishService.deleteDish(ids);
        //清除缓存数据，将所有dish_开头的key
        clearCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result queryDishById(@PathVariable Long id) {
        log.info("根据id查询菜品{}", id);
        DishVO dishVO = dishService.queryDishById(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result updateDish(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品{}", dishDTO);
        dishService.updateDish(dishDTO);
        //清除缓存数据，将所有dish_开头的key
        clearCache("dish_*");
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result queryAllDishByCategoryId(Long categoryId) {
        log.info("根据分类id查询菜品{}", categoryId);
      List<Dish> dishes =  dishService.queryAllDishByCategoryId(categoryId);
      return Result.success(dishes);
    }

    @PostMapping("status/{status}")
    @ApiOperation("菜品起售、停售")
    public Result updateDishStatus(@PathVariable Integer status,  Long id) {
        log.info("菜品起售、停售{}{}",status ,id);
        dishService.updateDishStatus(status,id);
        //清除缓存数据，将所有dish_开头的key
        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 清除缓存数据
     * @param pattern
     */
    public void clearCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
